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/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2025 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include <catch.hpp>
#include "common-import.hpp"
#include "common-options.hpp"
#include <array>
namespace {
testing::db::import_t db;
} // anonymous namespace
TEST_CASE("compute Z order")
{
REQUIRE_NOTHROW(
db.run_file(testing::opt_t().slim(), "test_output_pgsql_z_order.osm"));
auto conn = db.db().connect();
std::array<char const *, 5> const expected = {
"motorway", "trunk", "primary", "secondary", "tertiary"};
for (unsigned i = 0; i < 5; ++i) {
auto const sql = fmt::format("SELECT highway"
" FROM osm2pgsql_test_line"
" WHERE layer IS NULL"
" ORDER BY z_order DESC"
" LIMIT 1 OFFSET {}",
i);
REQUIRE(expected.at(i) == conn.result_as_string(sql));
}
REQUIRE("residential" ==
conn.result_as_string("SELECT highway FROM osm2pgsql_test_line "
"ORDER BY z_order DESC LIMIT 1 OFFSET 0"));
}
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